Home / 157,778,794.35-236,668,187.88-42,763,334.40

Finding the Fourth Proportional to 157,778,794.35, 236,668,187.88 and 42,763,334.40

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Solution

The fourth proportional to 157,778,794.35, 236,668,187.88 and 42,763,334.40 is: 64,145,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778,794.35 : 236,668,187.88 = 42,763,334.40 : x
  2. Step 2: Convert to fraction form
    157,778,794.35/236,668,187.88 = 42,763,334.40/x
  3. Step 3: Cross multiply
    157,778,794.35x = 236,668,187.88 × 42,763,334.40
  4. Step 4: Simplify right side
    157,778,794.35x = 10,120,720,860,154,466
  5. Step 5: Solve for x
    x = 10,120,720,860,154,466/157,778,794.35
  6. Step 6: Final answer
    x = 64,145,000.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.